00823pam a2200265 a 4500 4361663 BD-DhUL 20160518164150.0 900111s1990 dcu b i000 0 eng 90030653 0821314440 DLC DLC DLC BD-DhUL GB611 .N37 1990 333.736 20 NED Nelson, Ridley. 1942- Dryland management : the "desertification" problem / Ridley Nelson. Washington, D.C. : World Bank, c1990. vii, 39 p. ; 28 cm. BDT 170 World Bank technical paper, no. 116 0253-7494 ; Includes bibliographical references p. 33-39. Desertification. 7 cbc orignew 1 ocip 19 y-gencatlg ddc BK 67515 67515 0 0 ddc 0 333_736000000000000_NED 0 NFIC 114713 DUL DUL GEN 1995-09-20 purchased 333.736 NED 344673 2016-05-18 2016-05-18 BK